CN103388156A - Ventilation type electrolytic cell for laboratory - Google Patents
Ventilation type electrolytic cell for laboratory Download PDFInfo
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- CN103388156A CN103388156A CN2013103116363A CN201310311636A CN103388156A CN 103388156 A CN103388156 A CN 103388156A CN 2013103116363 A CN2013103116363 A CN 2013103116363A CN 201310311636 A CN201310311636 A CN 201310311636A CN 103388156 A CN103388156 A CN 103388156A
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Abstract
The invention relates to a ventilation type electrolytic cell for a laboratory. The ventilation type electrolytic cell for the laboratory comprises a transparent cell body and an air inlet pipeline, wherein a cavity separating plate, which separates the inner cavity of the transparent cell body into a working electrode cavity and an auxiliary electrode cavity, is arranged inside the transparent cell body, through holes are formed in the two upper sides of the cavity separating plate, the cavity separating plate comprises a fixed separating plate and a movable separating plate in the fixed separating plate, a micropore diagram is arranged in the movable separating plate, and a center hole exposing the micropore diagram is formed in the middle of the cavity separating plate; a working electrode fixture is arranged on the side of the transparent cell body and comprises a fixed end, and the fixed end is connected with a movable end which is used for fixing a working electrode by coordinating with the fixed end; a reference electrode is arranged at one side, close to the working electrode fixture, in the working electrode cavity, and an auxiliary electrode is arranged at one side, close to the cavity separating plate, in the auxiliary electrode cavity; the air inlet pipeline comprises a ventilation main pipeline and two ventilation branch pipelines which are used for ventilating the working electrode cavity and the auxiliary electrode cavity respectively.
Description
Technical field
The present invention relates to a kind of use for laboratory ventilation type electrolyzer.
Background technology
Electrochemical techniques are widely used in the every field of national economy, and the laboratory study of electrochemical techniques uses the small electrolytic groove to be used as the container of electrochemical reaction usually.Usually electrolyzer used is uncovered, and test soln is exposed in air.Yet some electrochemical reaction process, need to pass into certain gas to solution, to reach some specific purposes (as passing into rare gas element with situations such as eliminating oxygen).In these cases, need to introduce gas circuit to electrolyzer, and form closed cavity as far as possible.Be that this class electrolyzer should have following several basic characteristics and technical requirements:
1. electrolyzer must have corresponding gas circuit, in order to before experiment or in experimentation, solution is carried out ventilation treatment.
2. electrolyzer will seal as far as possible, with the impact of isolated air on electrolytic process.
3. electrolyzer can not seal fully, and production well need to be arranged, to keep inside and outside air pressure balance.
Except above-mentioned basic demand, an outstanding design also should meet following extra demands as far as possible:
1. manufactured materials is cheap and easy to get.
2. the structure compact, be convenient to mobile.
3. processing and assembling process are simple.
4. cell body, gas circuit, supporting electrode and reference electrode, maintaining is convenient.
5. working electrode is easy to loading and unloading fast.
6. be convenient to clean cell body inside.
7. positive column and cathodic area are separated from each other.
Summary of the invention
The object of the present invention is to provide a kind of simple in structure, easy to use, operate use for laboratory ventilation type electrolyzer easily.
For reaching goal of the invention the technical solution used in the present invention be:
a kind of use for laboratory ventilation type electrolyzer, it is characterized in that: comprise transparent cell body, admission passage, the cavity dividing plate that its inner chamber body is separated into working electrode cavity and supporting electrode cavity is installed in described transparent cell body, the both sides, top of described cavity dividing plate are provided with the through hole that is communicated with two electrode chambers, described cavity dividing plate comprises the stationary barrier that is connected on transparent cell body and is arranged on the interior dismountable active clapboard of described stationary barrier, removable micro-pore septum is installed in described active clapboard, the centre of described cavity dividing plate has the centre hole that exposes micro-pore septum, the side of described transparent cell body is equipped with the working electrode fixture, described working electrode fixture comprises the inboardend on the working electrode hole that is bonded in transparent cell body, be connected with the movable end that is mated the steady job electrode on described inboardend, be bumped into metallic contact face and the metal connection post of mutual conduction on described movable end, a side near the working electrode fixture in described working electrode cavity is equipped with reference electrode, and the side near the cavity dividing plate in described supporting electrode cavity is equipped with supporting electrode, described admission passage comprises that a vent stack road and two are respectively toward the ventilation bye-pass of ventilation in working electrode cavity and supporting electrode cavity, the air outlet of the described ventilation bye-pass in the working electrode cavity is arranged on the working electrode cavity bottom, and the air outlet of the described ventilation bye-pass in the supporting electrode cavity is arranged on the top of supporting electrode cavity.
Further, described transparent cell body is provided with production well at the top of working electrode one side, and described transparent cell body inside is equipped with no-spill dashpot at the production well place.
Further, the volume of described working electrode cavity is greater than the volume of described supporting electrode cavity.
Further, described movable end is threaded with inboardend, is provided with the rubber gasket of sealing use between described movable end and inboardend.
Further, the edge of the metallic contact face on described movable end is a little more than center.While being used for guaranteeing that movable end and inboardend screw thread screw, the force part of working electrode is mainly at surrounding and the contacted position of rubber seal of working electrode.
Further, be provided with the check valve that anti-electrolytic solution flows backwards on described vent stack road, be provided with flow control valve on described ventilation bye-pass, be provided with T-valve between described vent stack road and ventilation bye-pass.
Further, the top of described active clapboard is provided with the handle that has sealing function concurrently.Closely cooperate between described handle and transparent cell body, the shape and structure of handle can guarantee that electrolytic solution needs to turn to and could ooze out from the gap between handle and cell body more than once.
Further, described supporting electrode is arranged in the supporting electrode cavity over against the centre hole of cavity dividing plate.
Further, the top of described transparent cell body has active clapboard jack, the reference electrode hole that reference electrode is installed that active clapboard can be taken out, the supporting electrode hole of drawing the supporting electrode lead-in wire, and the single-component room curing silicon rubber is adopted in the sealing of described handle, reference electrode, supporting electrode and transparent cell body.This kind seal gum when guaranteeing stopping property, also can be removed easily when changing accessory.
Further, the top of described working electrode cavity and supporting electrode cavity all offers air inlet port, and air inlet port and the production well at described working electrode cavity top are the diagonal lines setting.
Transparent cell body of the present invention uses the poly (methyl methacrylate) plate manufacturing, and the parts such as dashpot, stationary barrier, active clapboard, handle also adopt the poly (methyl methacrylate) plate manufacturing of same thickness.This kind material is convenient to obtain, and in the use procedure of structure Integration Assembly And Checkout, transparent chamber is convenient to observe internal state.Similar transparent material includes but not limited to polycarbonate, polyethylene terephthalate, polyethylene, polypropylene, polyvinyl chloride etc.The joint of agent structure can be selected suitable tamanori according to the characteristic of differing materials, as organic sheet glass, can adopt trichloromethane bonding (manufactured materials is cheap and easy to get).Transparent cell body one side leaves the working electrode hole, and reference electrode hole, supporting electrode hole, active clapboard jack, 2 air inlet ports and 1 production well are left in top.The reference electrode hole is positioned at working electrode cavity one side and near working electrode, presss from both sides; The supporting electrode hole is positioned at supporting electrode cavity one side and close stationary barrier; The active clapboard jack is the rectangle perforate, roughly transparent cell body is divided into the two portions that vary in size, and working electrode cavity part is larger, and two air inlet ports lay respectively at working electrode cavity and supporting electrode cavity top, away from the corner of working electrode one side; Production well is positioned at the top corners of working electrode one side; Air inlet port and production well, not in the same side, are positioned at cornerwise position.
The cavity dividing plate is divided into working electrode cavity and supporting electrode cavity with transparent cell body, and all there is hole the both sides on cavity dividing plate center and top, can be communicated with two electrode districts.Centre hole is used for exposing micro-pore septum, and two through holes on top are used for electrolytic solution and the circulation of gas between two cavitys.When transparent cell body accumbency was placed, liquid level was no more than the height of these two through holes.Cavity dividing plate material is identical with transparent cell body, is divided into a pair of stationary barrier and a pair of active clapboard.Stationary barrier is connected with transparent cell body, is used for fixedly active clapboard.But active clapboard clamping micro-pore septum, facilitate the replacing of micro-pore septum.The handle that has sealing function concurrently is arranged at the active clapboard top, can be inserted by transparent cell body top, at the single-component room temperature vulcanized silicone rubber seal in the position that closely cooperates, while needing to change micro-pore septum, seal gum can be cut open, extract active clapboard out, insert again after changing operation, reseal.
The side that the working electrode cavity is relative with the cavity dividing plate has the working electrode fixture, can make the electrode of fixed-area be exposed to solution.Use rubber ring seal, use screw thread to clamp.The electrode exposed area can design as required, also can first be designed to larger area, then according to practical situation, coordinates the lasso of different size to adjust exposed area.The material selection of working electrode fixture meets corrosion-resistant, easy processing, 3 principal features of tool dimensional stability, includes but not limited to polyoxymethylene, polyimide etc.Fixture comprises inboardend, movable end, seal washer 3 parts, and inboardend uses and is threaded with movable end.Inboardend is bonded in the working electrode hole site of cell body with tackiness agent.Movable end is bumped into metallic contact face and the metal connection post of mutual conduction, and the edge of metallic contact face is a little more than center, and to guarantee when screw thread screws, force part is mainly in the surrounding of disc-shaped sample.
Admission passage comprises two ventilations bye-passes and vent stack roads, two flow control valves, T-valve, a check valve (vacuum breaker).A ventilation bye-pass gos deep into the working electrode cavity bottom, near the corner of cavity dividing plate.Another root ventilation bye-pass reaches the top of supporting electrode cavity.The gas circuit of leading to bottom is used for ventilating to solution, and the gas circuit of leading to top is used for partly ventilating to the vacant cavity on liquid level upper strata.As required, also can design more complicated gas circuit to meet the experiment demand, such as making air outlet near positions such as working electrode, reference electrode, supporting electrodes.Two ventilation bye-passes have independently flowrate control valve, and with a T-valve, merge to a vent stack road, and a check valve (vacuum breaker) is arranged on the vent stack road, can prevent that electrolytic solution from flowing backwards.All tracheaes and valve are all selected the corrosion resistant material manufacturing.
It is inner that dashpot is positioned at transparent cell body, in the position of production well.Gas and electrolytic solution must turn to and could overflow from transparent cell body through at least twice, and in the time of can preventing from acutely ventilating, solution overflows.The material of dashpot is identical with transparent cell body.
Supporting electrode,, by the supporting electrode hole, go deep into the supporting electrode inside cavity, and electrode is over against the centre hole of cavity dividing plate, and lead-in wire is drawn by the supporting electrode hole, with sealing material, seals.The position in supporting electrode hole is near the active clapboard jack, and electrode handle is half flexible materials, when needs are changed or clean supporting electrode, it can be taken out from the active clapboard jack.
Reference electrode,, by the reference electrode hole, go deep into the working electrode inside cavity, and the position in reference electrode hole is near the working electrode hole, and diameter is complementary with the reference electrode of selecting, so that use the sealing material sealing.When solution resistance be can not ignore, can install Luggin capillary additional.
The present invention in use, can vertically place transparent cell body or the accumbency placement.When pre-ventilation, transparent cell body vertically can be placed, the working electrode cavity, has been avoided the etch of electrolytic solution to working electrode up, and meanwhile, two ventilation bye-passes can be ventilated to the electrolytic solution in two electrode chambers respectively; Ventilate complete while starting to test, transparent cell body accumbency is placed, but make electrolytic solution submergence working electrode, meanwhile, can close the ventilation bye-pass that leads to the working electrode cavity, to prevent the impact of bubble disturbance on electrolytic process stability, and the ventilation bye-pass that keeps leading to the supporting electrode cavity is opened, and to guarantee cell body inside, is in all the time the atmosphere of ventilated body.
Advantage of the present invention is: manufactured materials is cheap and easy to get; The structure compact, be convenient to mobile; Processing and assembling process are simple; Cell body, gas circuit, supporting electrode and reference electrode, maintaining is convenient; Working electrode is easy to loading and unloading fast; Be convenient to clean cell body inside; Positive column and cathodic area are separated from each other, and have completely cut off the electrolysate of anode and cathode; The inside and outside air pressure balance of transparent cell body is consistent; Transparent cell body sealing, completely cut off the impact of air on electrolytic process; Can carry out ventilation treatment to solution before experiment or in experimentation; In pre-ventilation and experimentation, electrolyzer can be distinguished vertically placement and accumbency is placed, and can meet the different requirements of these two processes to ventilation and electrode submergence.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is explosive view of the present invention.
Embodiment
Below in conjunction with specific embodiment, the present invention is further described, but does not limit the invention to these embodiments.One skilled in the art would recognize that the present invention contained all alternativess, improvement project and the equivalents that may comprise in claims scope.
with reference to Fig. 1, Fig. 2, a kind of use for laboratory ventilation type electrolyzer, comprise transparent cell body 20, admission passage, the cavity dividing plate that its inner chamber body is separated into working electrode cavity 1 and supporting electrode cavity 2 is installed in described transparent cell body 20, the both sides, top of described cavity dividing plate are provided with the through hole 21 that is communicated with two electrode chambers, described cavity dividing plate comprises the stationary barrier 3 that is connected on transparent cell body and is arranged on the interior dismountable active clapboard 4 of described stationary barrier 3, removable micro-pore septum 16 is installed in described active clapboard 4, the centre of described cavity dividing plate has the centre hole that exposes micro-pore septum 16, the side of described transparent cell body 20 is equipped with the working electrode fixture, described working electrode fixture comprises the inboardend 6 on the working electrode hole that is bonded in transparent cell body 20, be connected with the movable end 8 that is mated the steady job electrode on described inboardend 6, be bumped into metallic contact face and the metal connection post 9 of mutual conduction on described movable end 8, the interior side near the working electrode fixture of described working electrode cavity 1 is equipped with reference electrode 15, and the interior side near the cavity dividing plate of described supporting electrode cavity 2 is equipped with supporting electrode 14, described admission passage comprises that a vent stack road 18 and two are respectively toward the ventilation bye-pass 10 of working electrode cavity 1 and the 2 interior ventilations of supporting electrode cavity, the air outlet of the described ventilation bye-pass 10 in working electrode cavity 1 is arranged on working electrode cavity 1 bottom, and the air outlet of the described ventilation bye-pass 10 in supporting electrode cavity 2 is arranged on the top of supporting electrode cavity 2.
Described transparent cell body 20 is provided with production well 17 at the top of working electrode one side, and described transparent cell body 20 inside are equipped with no-spill dashpot 5 at production well 17 places.
The volume of described working electrode cavity 1 is greater than the volume of described supporting electrode cavity 2.
Described movable end 8 is threaded with inboardend 6, is provided with the rubber gasket 7 of sealing use between described movable end 8 and inboardend 6.
The edge of the metallic contact face on described movable end 8 is a little more than center.While being used for guaranteeing that movable end 8 and inboardend 6 screw threads screw, the force part of working electrode is mainly in the surrounding of working electrode.
Be provided with the check valve 13 that anti-electrolytic solution flows backwards on described vent stack road 18, be provided with flow control valve 11 on described ventilation bye-pass 10, be provided with T-valve 12 between described vent stack road 18 and ventilation bye-pass 10.
The top of described active clapboard 4 is provided with the handle that has sealing function concurrently.Closely cooperate between described handle and transparent cell body, the shape and structure of handle can guarantee that electrolytic solution needs to turn to and could ooze out from the gap between handle and cell body more than once.
Described supporting electrode 14 is arranged in supporting electrode cavity 2 over against the centre hole of cavity dividing plate.
The top of described transparent cell body 20 has active clapboard jack, the reference electrode hole that reference electrode 15 is installed that active clapboard 4 can be taken out, the supporting electrode hole of drawing supporting electrode 14 lead-in wires, and the single-component room curing silicon rubber is adopted in the sealing of described handle, reference electrode, supporting electrode and transparent cell body.This kind seal gum when guaranteeing stopping property, also can be removed easily when changing accessory.
The top of described working electrode cavity 1 and supporting electrode cavity 2 all offers air inlet port, and air inlet port and the production well 17 at described working electrode cavity 1 top are the diagonal lines setting.
The cavity dividing plate is divided into working electrode cavity 1 and supporting electrode cavity 2 with transparent cell body 20, and all there is hole the both sides on cavity dividing plate center and top, can be communicated with two electrode districts.Centre hole is used for exposing micro-pore septum 16, and two through holes 21 on top are used for electrolytic solution and the circulation of gas between two cavitys.When transparent cell body 20 accumbency were placed, liquid level was no more than the height of these two through holes 21.Cavity dividing plate material is identical with transparent cell body 20, is divided into a pair of stationary barrier 3 and a pair of active clapboard 4.Stationary barrier 3 is connected with transparent cell body 20, is used for fixedly active clapboard 4.But active clapboard 4 clamping micro-pore septums 16, facilitate the replacing of micro-pore septum 16.The handle that has sealing function concurrently is arranged at active clapboard 4 tops, can be inserted by transparent cell body 20 tops, at the single-component room temperature vulcanized silicone rubber seal in the position that closely cooperates, while needing to change micro-pore septum, seal gum can be cut open, extract active clapboard 4 out, insert again after changing operation, reseal.
The side that working electrode cavity 1 is relative with the cavity dividing plate has the working electrode fixture, can make the electrode of fixed-area be exposed to solution.Use rubber ring seal, use screw thread to clamp.The electrode exposed area can design as required, also can first be designed to larger area, then according to practical situation, coordinates the lasso of different size to adjust exposed area.The material selection of working electrode fixture meets corrosion-resistant, easy processing, 3 principal features of tool dimensional stability, includes but not limited to polyoxymethylene, polyimide etc.Fixture comprises inboardend 6, movable end 8, rubber gasket 7 three parts, and inboardend 6 uses and is threaded with movable end 8.Inboardend 6 use tackiness agents are bonded in the working electrode hole site of cell body.Movable end 8 is bumped into metallic contact face and the metal connection post 9 of mutual conduction, and the edge of metallic contact face is a little more than center, and to guarantee when screw thread screws, force part is mainly in the surrounding of disc-shaped sample.
Admission passage comprises two ventilation bye-passes 10 and 18, two, vent stack road flow control valve 11, T-valve 12, a check valve 13 (vacuum breaker).A ventilation bye-pass 10 gos deep into working electrode cavity 1 bottom, near the corner of cavity dividing plate.Another root ventilation bye-pass 10 reaches the top of supporting electrode cavity 2.The gas circuit of leading to bottom is used for ventilating to solution, and the gas circuit of leading to top is used for partly ventilating to the vacant cavity on liquid level upper strata.Design as required this and also can draw more complicated gas circuit to meet the experiment demand, such as making air outlet near positions such as working electrode, reference electrode, supporting electrodes.Two ventilation bye-passes 10 have independently flowrate control valve 11, and with a T-valve 12, merge to a vent stack road 18, and a check valve 13 (vacuum breaker) is arranged on the vent stack road, can prevent that electrolytic solution from flowing backwards.All tracheaes and valve are all selected the corrosion resistant material manufacturing.
Supporting electrode 14,, by the supporting electrode hole, go deep into supporting electrode cavity 2 inside, and electrode is over against the centre hole of cavity dividing plate, and lead-in wire is drawn by the supporting electrode hole, with sealing material, seals.The position in supporting electrode hole is near the active clapboard jack, and electrode handle is half flexible materials, when needs are changed or clean supporting electrode, it can be taken out from the active clapboard jack.
The present invention in use, can vertically place transparent cell body 20 or the accumbency placement.When pre-ventilation, transparent cell body 20 vertically can be placed, working electrode cavity 1, has been avoided the etch of electrolytic solution to working electrode up, and meanwhile, two ventilation bye-passes 10 can be ventilated to the electrolytic solution in two electrode chambers respectively; Ventilate complete while starting to test, transparent cell body 20 accumbency are placed, but make electrolytic solution submergence working electrode, meanwhile, can close the ventilation bye-pass 10 that leads to working electrode cavity 1, to prevent the impact of bubble disturbance on electrolytic process stability, and the ventilation bye-pass 10 that keeps leading to supporting electrode cavity 2 is opened, and to guarantee cell body inside, is in all the time the atmosphere of ventilated body.
The present invention carries out the mensuration of Tinplate oxide film:
, take poly (methyl methacrylate) plate as basic material, according to aforementioned technical characterictic of the present invention, carry out the processing and manufacturing electrolyzer.Admission passage is divided into two, and passes into respectively supporting electrode cavity 2 tops and working electrode cavity 1 bottom.4 of chamber active clapboards sandwich ionic membrane, and seal after inserting stationary barrier 3 positions.Supporting electrode 14 adopts platinum electrode, directly inserts.Reference electrode 15 adopts the Ag/AgBr electrode, directly inserts.Working electrode is the Tinplate through cutting, and the working electrode fixture adopts the rubber gasket sealing, and screw thread clamps.
Before test, first close the gas circuit valve, transparent cell body 20 is vertically placed, working electrode cavity 1 is upper, supporting electrode cavity 2 under.Screw off the movable end 8 of working electrode fixture, pour test fluid into from the working electrode hole, on the other hand transparent cell body 20 is rolled slightly while toppling over, make solution flow into supporting electrode cavity 2 from a through hole at cavity dividing plate top, another through hole at cavity dividing plate top is used for keeping the air pressure balance of two cavitys, after supporting electrode cavity 2 is filled solution, transparent cell body 20 just vertically can put, be still working electrode cavity 1 upper, supporting electrode cavity 2 under, fill with until working electrode cavity 1 also approaches.The position of fluid injection needs to proofread and correct in advance, and it, according to being that after transparent cell body 20 forwards the accumbency direction to, liquid level is no more than the through hole at cavity dividing plate top, will guarantee all electrodes of submergence simultaneously.Sealing-ring on pad, load onto the specimen as working electrode, screws electrode holder.
Slowly open two flow control valves 11 on gas circuit, pass into nitrogen, adjust the size of tolerance, make two gas circuits have the roughly gas of equivalent to overflow.After the ventilation specified time, close the flow control valve 11 on the ventilation bye-pass 10 that leads to working electrode cavity 1 bottom, another flow control valve 11 stays open.Working electrode, reference electrode 15 and supporting electrode 14 are connected external control circuit, rotate transparent cell body 20 to the accumbency placement direction.Start test.
Be completed the disconnecting external circuit.Rotate transparent cell body 20 to vertical placement direction, open the flow control valve 11 on the ventilation bye-pass 10 that leads to working electrode cavity 1 bottom, continue logical nitrogen.The working electrode fixture of outwarding winding, change specimen, repeated test.
Claims (10)
1. use for laboratory ventilation type electrolyzer, it is characterized in that: comprise transparent cell body, admission passage, the cavity dividing plate that its inner chamber body is separated into working electrode cavity and supporting electrode cavity is installed in described transparent cell body, the both sides, top of described cavity dividing plate are provided with the through hole that is communicated with two electrode chambers, described cavity dividing plate comprises the stationary barrier that is connected on transparent cell body and is arranged on the interior dismountable active clapboard of described stationary barrier, removable micro-pore septum is installed in described active clapboard, the centre of described cavity dividing plate has the centre hole that exposes micro-pore septum, the side of described transparent cell body is equipped with the working electrode fixture, described working electrode fixture comprises the inboardend on the working electrode hole that is bonded in transparent cell body, be connected with the movable end that is mated the steady job electrode on described inboardend, be bumped into metallic contact face and the metal connection post of mutual conduction on described movable end, a side near the working electrode fixture in described working electrode cavity is equipped with reference electrode, and the side near the cavity dividing plate in described supporting electrode cavity is equipped with supporting electrode, described admission passage comprises that a vent stack road and two are respectively toward the ventilation bye-pass of ventilation in working electrode cavity and supporting electrode cavity, the air outlet of the described ventilation bye-pass in the working electrode cavity is arranged on the working electrode cavity bottom, and the air outlet of the described ventilation bye-pass in the supporting electrode cavity is arranged on the top of supporting electrode cavity.
2. a kind of use for laboratory ventilation type electrolyzer according to claim 1, it is characterized in that: described transparent cell body is provided with production well at the top of working electrode one side, and described transparent cell body inside is equipped with no-spill dashpot at the production well place.
3. a kind of use for laboratory ventilation type electrolyzer according to claim 1 and 2, it is characterized in that: the volume of described working electrode cavity is greater than the volume of described supporting electrode cavity.
4. a kind of use for laboratory ventilation type electrolyzer according to claim 3, it is characterized in that: described movable end is threaded with inboardend, is provided with the rubber gasket of sealing use between described movable end and inboardend.
5. a kind of use for laboratory ventilation type electrolyzer according to claim 4, it is characterized in that: the edge of the metallic contact face on described movable end is a little more than center.
6. a kind of use for laboratory ventilation type electrolyzer according to claim 5, it is characterized in that: be provided with the check valve that anti-electrolytic solution flows backwards on described vent stack road, be provided with flow control valve on described ventilation bye-pass, be provided with T-valve between described vent stack road and ventilation bye-pass.
7. a kind of use for laboratory ventilation type electrolyzer according to claim 6, it is characterized in that: the top of described active clapboard is provided with the handle that has sealing function concurrently.
8. a kind of use for laboratory ventilation type electrolyzer according to claim 7, it is characterized in that: described supporting electrode is arranged in the supporting electrode cavity over against the centre hole of cavity dividing plate.
9. a kind of use for laboratory ventilation type electrolyzer according to claim 8, it is characterized in that: the top of described transparent cell body has active clapboard jack, the reference electrode hole that reference electrode is installed that active clapboard can be taken out, the supporting electrode hole of drawing the supporting electrode lead-in wire, and between the handle of described transparent cell body and active clapboard, between transparent cell body and reference electrode, between transparent cell body and supporting electrode, employing single-component room curing silicon rubber is as sealing material.
10. a kind of use for laboratory ventilation type electrolyzer according to claim 9, it is characterized in that: the top of described working electrode cavity and supporting electrode cavity all offers air inlet port, and air inlet port and the production well at described working electrode cavity top are the diagonal lines setting.
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| CN103645227A (en) * | 2013-12-31 | 2014-03-19 | 长沙理工大学 | Device and method for fixing working electrode angle |
| CN103645227B (en) * | 2013-12-31 | 2015-10-28 | 长沙理工大学 | A kind of working electrode angle fixing device and method |
| CN111650118A (en) * | 2020-07-10 | 2020-09-11 | 中国民航大学 | Electrochemical corrosion system for evaluating local corrosion performance of aircraft structure and working method |
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| CN103388156B (en) | 2015-12-16 |
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